package cn.itsource.pethome.pay.controller;

import cn.itsource.pethome.pay.config.AlipayConfig;
import cn.itsource.pethome.pay.domain.AlipayInfo;
import cn.itsource.pethome.pay.domain.PayBill;
import cn.itsource.pethome.pay.service.IAlipayInfoService;
import cn.itsource.pethome.pay.service.IPayBillService;
import cn.itsource.pethome.quartz.utils.QuartzUtils;
import com.alipay.api.internal.util.AlipaySignature;
import org.quartz.Scheduler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

@Controller
@RequestMapping("/pay")
public class PayBillController {

    @Autowired
    private IPayBillService payBillService;
    @Autowired
    private IAlipayInfoService alipayInfoService;
    @Autowired
    private SchedulerFactoryBean schedulerFactoryBean;

    @RequestMapping("/returnUrl")
    public String returnUrl(HttpServletRequest request) throws Exception {
        //获取支付宝GET过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        //商户订单号
        String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        PayBill payBill =payBillService.loadByOrderSn(out_trade_no);
        AlipayInfo aliPayInfo = alipayInfoService.loadByShopId(payBill.getShop_id());
        boolean signVerified = AlipaySignature.rsaCheckV1(params, aliPayInfo.getAlipay_public_key(), AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——
        if(signVerified) {
            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"),"UTF-8");

            return "redirect:http://localhost:8081/success.html";
        }else {
            //out.println("验签失败");
            return "redirect:http://localhost:8081/error.html";
        }
    }

    @RequestMapping("/notifyUrl")
    @ResponseBody
    public String notifyUrl(HttpServletRequest request) throws Exception {
        //获取支付宝POST过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        //商户订单号
        String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        PayBill payBill =payBillService.loadByOrderSn(out_trade_no);
        AlipayInfo aliPayInfo = alipayInfoService.loadByShopId(payBill.getShop_id());

        boolean signVerified = AlipaySignature.rsaCheckV1(params, aliPayInfo.getAlipay_public_key(), AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——

	/* 实际验证过程建议商户务必添加以下校验：
	1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
	2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
	3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
	4、验证app_id是否为该商户本身。
	*/
        //支付宝交易号
        String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //交易状态
        String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");
        if(trade_status.equals("TRADE_FINISHED")||trade_status.equals("TRADE_SUCCESS")){
            //根据商户订单号 修改订单状态
            payBillService.updateByOrderSn(out_trade_no,trade_no);
            //支付成功后，取消定时任务
            Scheduler scheduler = schedulerFactoryBean.getScheduler();
            QuartzUtils.removeJob(scheduler, "product_"+out_trade_no);
        }
        return "success";
    }
}
